M.

Macrogender - (adj.) - When one has large feelings of gender that are not identifiable within social gender categories.

Male-Bodied - (adj.) - A common but problematic term used for cis men and AMAB trans people who have not undergone transitional surgery.

Male Impersonator - (n.) - A person who dresses or acts as male, but does not identify as male, often for the benefit of an audience.

Malgender - (v.) - To affirm someone's gender identity only to use it against them.

Masculine of Center - (adj.) - Having a gender that is closer to “male” than to “female” or other genders.

Masculine-Presenting - (adj.) - This term describes people who have a gender expression or presentation that they or others categorize as masculine.
Masculine-presenting captures the part of someone’s gender that’s shown externally, either through aspects of their style, appearance, physical traits, mannerisms, or body language.
This term doesn’t necessarily indicate anything about the way someone identifies their gender or the gender or sex assigned to them.

Masculinization - (n.) -
1. The process by which a person’s gender presentation becomes closer to what is traditionally considered masculine.
2. In fetal development, the process by which male sex hormones affect the developing brain.
Mastectomy - (n.) - Removal of breasts.

Maverique - (adj.) - A strong feeling of gender that is separate from that of being male, female, or neutral.

Medical Tattooing - (n.) - Tattoos which are used to cover up surgical scarring, or to otherwise make a body part to look more "normal."

Medical Transition - (n.) - When someone takes hormones (such as estrogen or testosterone) or undergoes surgery in the pursuit of gender euphoria.

Menstrual Cup - (n.) - A reusable product intended for collecting menstrual blood.

Menstrual Disc - (n.) - A reusable product intended for collecting menstrual blood.

Metoidioplasty - (n.) - A surgery that constructs or approximates a penis by enlarging and reshaping the clitoris. A type of FTM bottom surgery.

Microgender - (adj.) - When one has small feelings of gender that are not identifiable within social gender categories.

Mirdam - (h.) - A gender neutral title that can be used in the same manner as words like sir or ma'am.

Misgender - (v.) -
1. To refer to someone using the incorrect pronouns, name, or other gendered terminology.
2. To treat someone as the incorrect gender.
Mispronoun - (v.) - To misgender someone by using an incorrect pronoun for them.

Mix - (h.) - A gender neutral term that can be used in the same manner as words like "mister" or "miss".

M.O.G.A.I. - (acronym) - Marginalized Orientations, Gender identities, And Intersex

Monosexual - (adj.) - Relating to or being a person who experiences sexual attraction towards one gender.

Multigender - (adj.) - An umbrella term for all people with multiple genders, including bigender, trigender, polygender and pangender, as well as genderfluid people who identify as multigender.

Multigenital - (adj.) - An altersex term used to describe the desire for multiple sets of genitalia.

Multigonadal - (adj.) - An altersex term used to describe the desire for more than three sets of gonads.

Multisexual - (adj.) - Relating to or being a person who experiences sexual attraction towards more than one gender.

Muxe - (n.) - A gender or social role in Zapotec culture that does not have an exact Western counterpart. A Muxe is a person who is initially assigned a male gender but who dresses and/or acts in ways often considered feminine. Muxes may identify as men, women, or another gender, and may or may not identify as trans.